/*
 *    Copyright © OpenAtom Foundation.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.inspur.edp.cef.repository.adaptor;

import com.inspur.edp.cef.entity.entity.EntityDataPropertyValueUtils;
import com.inspur.edp.cef.repository.exception.CefRepositoryException;

import java.sql.Blob;
import java.sql.SQLException;

public abstract class OracleAdapter extends EntityRelationalAdaptor {

  protected OracleAdapter() {
    super();
  }

  protected byte[] getBlobValue(Object obj)
  {
    if(!(obj instanceof Blob) && obj != null )
    {
      throw new CefRepositoryException("Oracle数据库取出数据类型异常！");
    }
    else {
      try {
        return obj == null ? EntityDataPropertyValueUtils.getBinaryPropertyDefaultValue() : ((Blob) obj).getBytes(1L, (int) ((Blob) obj).length());
      } catch (SQLException e) {
        throw new CefRepositoryException("解析备注类型数据：" + obj + "失败");
      }
    }
  }
}
